package com.kt.emall.search.service.impl;

import com.alibaba.fastjson.JSON;
import com.kt.common.to.es.SkuEsModel;
import com.kt.emall.search.config.EmallElasticSearchConfig;
import com.kt.emall.search.constant.EsConstant;
import com.kt.emall.search.service.ProductSaveService;
import lombok.extern.slf4j.Slf4j;
import org.elasticsearch.action.bulk.BulkRequest;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.xcontent.XContentType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

/**
 * Description: 实现类
 * Created with IntelliJ IDEA.
 *
 * @author: KamTeng
 * Date: 2021/8/9
 */
@Slf4j
@Service
public class ProductSaveServiceImpl implements ProductSaveService {


    @Autowired
    RestHighLevelClient restHighLevelClient;

    @Override
    public boolean productStatusUp(List<SkuEsModel> skuEsModels) throws IOException {
        // 1、给es中建立索引和映射关系
        // 2、给es中保存这些数据
        BulkRequest bulkRequest = new BulkRequest();
        for (SkuEsModel model : skuEsModels) {
            // 1、构造保存请求
            IndexRequest indexRequest = new IndexRequest(EsConstant.PRODUCT_INDEX);
            indexRequest.id(model.getSkuId().toString());
            String string = JSON.toJSONString(model);
            indexRequest.source(string, XContentType.JSON);
            bulkRequest.add(indexRequest);
        }
        BulkResponse bulk = restHighLevelClient.bulk(bulkRequest, EmallElasticSearchConfig.COMMON_OPTIONS);

        // TODO 如果批量错误
        boolean flag = bulk.hasFailures();
        List<String> collect = Arrays.stream(bulk.getItems()).map(item -> {
            return item.getId();
        }).collect(Collectors.toList());
        log.info("商品上架完成：{}，返回数据：{}", collect, bulk.toString());
        return flag;
    }
}